Forces and motion

• What are the two types of physical quantities?

  Scalar and vector
• What do all physical quantities consist of?

  A numerical magnitude and a unit
• What is an example of a scalar quantity?

  Volume
• Why is volume considered a scalar quantity?

  It has no direction
• What is the unit of volume?

  Cubic meters
• What is an example of a vector quantity?

  Weight
• Why is weight considered a vector quantity?

  It has both magnitude and direction
• What is the unit of weight?

  Newton
• What defines a scalar quantity?

  It has only magnitude or size
• What defines a vector quantity?

  It has both magnitude and direction
• What are some examples of vector quantities in physics?

  • Displacement
  • Velocity
  • Acceleration
  • Weight
  • Force
  • Momentum
  • Gravitational field strength
• What are some examples of scalar quantities in physics?

  • Distance
  • Speed
  • Time
  • Mass
  • Volume
  • Energy
  • Density
• What is the distance traveled from point A to point B on a circular track?

  Half of the circumference
• What is the displacement when a ball travels from point A to point B?

  The diameter of the circle
• What happens to displacement when a ball returns to point A?

  It becomes zero
• What is the definition of distance?

  Total length of the path traveled
• What is the definition of displacement?

  Directed distance from start to end points
• What is the unit of distance?

  Meter
• What is average speed?

  Total distance moved per unit time
• What is the unit of speed?

  m/s
• What is the unit of velocity?

  m/s
• What is velocity?

  Speed in a given direction
• When is the magnitude of velocity equal to speed?

  When traveling in a straight line
• What does it indicate when U equals V in a car's motion?

  The car is traveling with constant speed
• What are the two types of physical quantities?

  Scalar and vector
• What is the equation for average speed when U equals V?

  V = s / T
• What does a physical quantity consist of?

  A numerical magnitude and a unit
• What is acceleration?

  Change in velocity per unit time
• What is the unit of acceleration?

  m/s²
• What is an example of a scalar quantity?

  Volume of 150 cubic meters
• Why is volume considered a scalar quantity?

  It has no direction
• What is the equation for acceleration?

  a = (v - U) / t
• What does it indicate when U equals V regarding acceleration?

  The acceleration is zero
• What is an example of a vector quantity?

  Weight of 500 Newtons
• What defines a vector quantity?

  It has both magnitude and direction
• What does it indicate when V is more than U?

  The car is speeding up
• What does it indicate when V is less than U?

  The car is slowing down
• Name some scalar quantities in physics.

  Distance, speed, time, mass, volume
• Name some vector quantities in physics.

  Displacement, velocity, acceleration, weight
• What does uniform acceleration mean?

  Constant acceleration throughout the motion